Amir F. Heshmatpour
CIK 1443035 · View on SEC EDGAR ↗
Activist
First SEC filing: April 25, 2025 · Latest: April 25, 2025
On this page
Insider at
Insider transactions
14 buys (P)
0 sells (S)
Net:
$713,160
+ 8 non-open-market transactions below
Avg return of open purchases vs now:
-12.7%
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
8 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 18, 2026 | NTHI | P | 9,000 | $5.54 | $49,860 | 3,096,000 Direct | +0.29% | Acquired | -18.6% (price as of 2026-08-21) |
| Aug. 17, 2026 | NTHI | P | 3,000 | $4.37 | $13,110 | 3,087,000 Direct | +0.10% | Acquired | 3.2% (price as of 2026-08-21) |
| Aug. 14, 2026 | NTHI | P | 12,000 | $3.79 | $45,480 | 3,084,000 Direct | +0.39% | Acquired | 19.0% (price as of 2026-08-21) |
| May 1, 2026 | NTHI | P | 10,000 | $4.16 | $41,600 | 3,072,000 Direct | +0.33% | Acquired | 8.4% (price as of 2026-08-21) |
| April 28, 2026 | NTHI | P | 10,000 | $4.52 | $45,200 | 3,062,000 Direct | +0.33% | Acquired | -0.2% (price as of 2026-08-21) |
| April 23, 2026 | NTHI | P | 10,000 | $4.90 | $49,000 | 3,052,000 Direct | +0.33% | Acquired | -8.0% (price as of 2026-08-21) |
| April 10, 2026 | NTHI | P | 10,000 | $4.89 | $48,900 | 3,042,000 Direct | +0.33% | Acquired | -7.8% (price as of 2026-08-21) |
| April 9, 2026 | NTHI | P | 5,000 | $5.19 | $25,950 | 3,032,000 Direct | +0.17% | Acquired | -13.1% (price as of 2026-08-21) |
| April 8, 2026 | NTHI | P | 10,000 | $5.60 | $56,000 | 3,027,000 Direct | +0.33% | Acquired | -19.5% (price as of 2026-08-21) |
| April 6, 2026 | NTHI | P | 5,000 | $6.32 | $31,600 | 3,017,000 Direct | +0.17% | Acquired | -28.7% (price as of 2026-08-21) |
| April 2, 2026 | NTHI | P | 20,000 | $6.09 | $121,800 | 3,012,000 Direct | +0.67% | Acquired | -26.0% (price as of 2026-08-21) |
| Nov. 24, 2025 | NTHI | P | 6,000 | $6.51 | $39,060 | 2,992,000 Direct | +0.20% | Acquired | -30.7% (price as of 2026-08-21) |
| Nov. 21, 2025 | NTHI | P | 4,000 | $6.50 | $26,000 | 2,986,000 Direct | +0.13% | Acquired | -30.6% (price as of 2026-08-21) |
| Nov. 21, 2025 | NTHI | P | 20,000 | $5.98 | $119,600 | 2,982,000 Direct | +0.68% | Acquired | -24.6% (price as of 2026-08-21) |
| May 23, 2025 | NTHI | P | 2,000 | $7.39 | $14,780 | 1,762,000 Direct | +0.11% | Acquired | -39.0% (price as of 2026-08-21) |
| May 16, 2025 | NTHI | P | 3,510 | $16.87 | $59,214 | 1,760,000 Direct | +0.20% | Acquired | -73.3% (price as of 2026-08-21) |
| May 15, 2025 | NTHI | P | 1,500 | $7.30 | $10,950 | 1,756,490 Direct | +0.09% | Acquired | -38.2% (price as of 2026-08-21) |
| May 14, 2025 | NTHI | P | 1,000 | $7.27 | $7,270 | 1,754,990 Direct | +0.06% | Acquired | -38.0% (price as of 2026-08-21) |
| May 13, 2025 | NTHI | P | 990 | $7.01 | $6,940 | 1,753,990 Direct | +0.06% | Acquired | -35.7% (price as of 2026-08-21) |
| May 12, 2025 | NTHI | P | 1,400 | $7.23 | $10,122 | 1,753,000 Direct | +0.08% | Acquired | -37.6% (price as of 2026-08-21) |
| May 11, 2025 | NTHI | P | 1,600 | $7.51 | $12,016 | 1,751,600 Direct | +0.09% | Acquired | -40.0% (price as of 2026-08-21) |
| March 26, 2025 | NTHI | S | 964 | $19.13 | $18,441 | 256,120 Indirect | -0.37% | Disposed | -76.4% (price as of 2026-08-21) |
| March 26, 2025 | NTHI | S | 37,500 | $25.00 | $937,500 | 257,084 Indirect | -12.73% | Disposed | -82.0% (price as of 2026-08-21) |
| March 26, 2025 | NTHI | S | 964 | $19.13 | $18,441 | 256,120 Indirect | -0.37% | Disposed | -76.4% (price as of 2026-08-21) |
| March 26, 2025 | NTHI | S | 37,500 | $25.00 | $937,500 | 257,084 Indirect | -12.73% | Disposed | -82.0% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 26, 2025 | NTHI | Warrant (right to buy) | Common Stock (78,125) | $12.00 | — | 78,125 | Disposed |
| March 26, 2025 | NTHI | Warrant (right to buy) | Common Stock (78,125) | $12.00 | — | 78,125 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).